Free social media tools that just work
Quick, no-sign-up tools to get your posts right before you publish. Everything runs in your browser — your files never leave your device.
Video & Image Checker
Drop a video or image and instantly see whether it meets each platform’s requirements — duration, aspect ratio, resolution, file size and format for Instagram, TikTok, YouTube and more.
Open toolCaption Length Checker
Paste your caption and watch the character count against every platform’s limit in real time — Instagram, X, TikTok, LinkedIn, Threads, YouTube and more.
Open toolImage Resizer & Cropper
Resize or crop any image to the exact dimensions each platform wants — square, portrait, story, thumbnail — and download it in one click. No upload required.
Open toolPosts pass the check? Schedule them everywhere.
PostPulse publishes to every major network from one place — with the same media validation built in, so nothing fails at the platform.